Blackberry Cobbler

Ingredients

• 1/2 teaspoon salt
• 2 1/2 teaspoons baking powder
• 4 cups fresh blackberries
• 1 teaspoon pure vanilla extract
• 1/2 cup water
• 1 1/2 cups sugar
• 6 tablespoons butter
• 1 1/2 cups all-purpose flour
• 1 1/2 cups milk